Definition(s)


Water-based Extinguishing Medium

Water-based extinguishing medium is freshwater or seawater with or without additives mixed to enhance fire-extinguishing capability.

Source: IMO MSC.1/Circ.1387, Revised Guidelines for the approval of fixed water-based local application fire-fighting systems for use in category A machinery spaces, 10 December 2010, International Maritime Organization. Regulatory Guidance

Source:  Resolution A.800(19), Revised Guidelines for Approval of Sprinkler Systems Equivalent to that Referred to in SOLAS Regulation 11-2/12, 23 November 1995, International Maritime Organization. Regulatory Guidance

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